@itwin/core-frontend
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iTwin.js frontend components
50 lines • 2.4 kB
JavaScript
;
/*---------------------------------------------------------------------------------------------
* Copyright (c) Bentley Systems, Incorporated. All rights reserved.
* See LICENSE.md in the project root for license terms and full copyright notice.
*--------------------------------------------------------------------------------------------*/
/** @packageDocumentation
* @module WebGL
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.addRenderPass = addRenderPass;
// render passes actually used in shader code.
const renderPasses = [
[0 /* RenderPass.Background */, "Background"],
[1 /* RenderPass.OpaqueLayers */, "Layers"], // Shaders treat all layer passes the same
[2 /* RenderPass.OpaqueLinear */, "OpaqueLinear"],
[3 /* RenderPass.OpaquePlanar */, "OpaquePlanar"],
[5 /* RenderPass.OpaqueGeneral */, "OpaqueGeneral"],
[6 /* RenderPass.Classification */, "Classification"],
[8 /* RenderPass.Translucent */, "Translucent"],
[9 /* RenderPass.HiddenEdge */, "HiddenEdge"],
[10 /* RenderPass.Hilite */, "Hilite"],
[12 /* RenderPass.WorldOverlay */, "WorldOverlay"],
[13 /* RenderPass.ViewOverlay */, "ViewOverlay"],
[19 /* RenderPass.PlanarClassification */, "PlanarClassification"],
];
/**
* Adds a uniform holding the current render pass and a set of kRenderPass_* constants
* uniform float u_renderPass
* @internal
*/
function addRenderPass(builder) {
builder.addUniform("u_renderPass", 2 /* VariableType.Float */, (prog) => {
prog.addProgramUniform("u_renderPass", (uniform, params) => {
let renderPass = params.renderPass;
switch (renderPass) {
case 9 /* RenderPass.HiddenEdge */:
renderPass = 5 /* RenderPass.OpaqueGeneral */; // no distinction from shader POV...
break;
case 11 /* RenderPass.OverlayLayers */:
case 7 /* RenderPass.TranslucentLayers */:
renderPass = 1 /* RenderPass.OpaqueLayers */; // no distinction from shader POV...
break;
}
uniform.setUniform1f(renderPass);
});
});
for (const renderPass of renderPasses)
builder.addGlobal(`kRenderPass_${renderPass[1]}`, 2 /* VariableType.Float */, `${renderPass[0].toString()}.0`, true);
}
//# sourceMappingURL=RenderPass.js.map